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TPS61253EVM-766 产品封装文件 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
开发套件
描述:
TEXAS INSTRUMENTS TPS61253EVM-766 评估模块, TPS61253EVM-766
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典型应用电路图在P18
原理图在P13P14
封装尺寸在P28P29P31P32
标记信息在P29P30
封装信息在P1P28P29P30P31P32
技术参数、封装参数在P4
应用领域在P1P33
电气规格在P5P6P7
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TPS61253EVM-766数据手册
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0
10
20
30
40
50
60
70
80
90
100
Efficiency - %
.
I - Output Current - mA
O
V - Input Voltage - V
I
2
.
7
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
0.1
0.2
0.4
0.8
1.6
3.2
6.2
12.6
25.1
50.1
100.1
199.6
398.1
794.3
.
V = 5.0 V
O
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SLVSAG8E –SEPTEMBER 2011–REVISED MARCH 2015
TPS6125x 3.5-MHz High Efficiency Step-Up Converter In Chip Scale Packaging
The TPS6125x operates at a regulated 3.5-MHz
1 Features
switching frequency and enters power-save mode
1
• 93% Efficiency at 3.5-MHz Operation
operation at light load currents to maintain high
• 21-µA Quiescent Current in Standby Mode
efficiency over the entire load current range. The
PFM mode extends the battery life by reducing the
• 37-µA Quiescent Current in Normal Operation
quiescent current to 37 μA (typ) during light load
• Wide V
IN
Range From 2.3 V to 5.5 V
operation.
• V
IN
≥ V
OUT
Operation
In addition, the TPS6125x device can also maintain
• I
OUT
≥ 800 mA at V
OUT
= 4.5 V, V
IN
≥ 2.65 V
its output biased at the input voltage level. In this
• I
OUT
≥ 1000 mA at V
OUT
= 5.0 V, V
IN
≥ 3.3 V
mode, the synchronous rectifier is current limited
allowing external load (e.g. audio amplifier) to be
• I
OUT
≥ 1500 mA (Peak) at V
OUT
= 5.0 V, V
IN
≥ 3.3
powered with a restricted supply. In this mode, the
V
quiescent current is reduced to 21 µA. During
• ±2% Total DC Voltage Accuracy
shutdown, the load is completely disconnected from
• Light-Load PFM Mode
the battery. Input current in shutdown mode is less
than 1 µA (typ), which maximizes battery life.
• Selectable Standby Mode or True Load
Disconnect During Shutdown
The TPS6125x offers a very small solution size due
• Thermal Shutdown and Overload Protection
to minimum amount of external components. It allows
the use of small inductors and input capacitors to
• Only Three Surface-Mount External Components
achieve a small solution size.
Required
• Total Solution Size < 25 mm
2
Device Information
(1)
• 9-Pin NanoFree
TM
(CSP) Packaging
PART NUMBER PACKAGE BODY SIZE (NOM)
TPS6125x DSBGA (9) 1.206 mm × 1.306 mm
2 Applications
(1) For all available packages, see the orderable addendum at
• Cell Phones, Smart Phones
the end of the datasheet.
• Mono and Stereo APA Applications
Efficiency vs Load Current
• USB Charging Ports (5V)
3 Description
The TPS6125x device provides a power supply
solution for battery-powered portable applications.
Intended for low-power applications, the TPS6125x
supports up to 800-mA load current from a battery
discharged as low as 2.65V and allows the use of low
cost chip inductor and capacitors.
With a wide input voltage range of 2.3 V to 5.5 V, the
device supports applications powered by Li-Ion
batteries with extended voltage range. Different fixed
voltage output versions are available from 3.15 V to
5.0 V.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION
DATA.
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